Ice concentration is measured in tenths....

Question 1 / 2066636ee728f7522a1c517d75

Question 1 of 2066636ee728f7522a1c517d75

Ice concentration is measured in tenths. What concentration range of ice corresponds to "Open Pack"?

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Question 1 of 20

66636ee728f7522a1c517d75

Ice concentration is measured in tenths. What concentration range of ice corresponds to "Open Pack"?

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🔍 Key Concepts

• Sea ice concentration scales used in navigation and ice charts • Difference between terms like open pack, close pack, and very close pack • How many tenths of the sea surface are covered by ice vs. open water

💭 Think About

• Think about whether open pack should mean mostly ice or mostly open water. • Compare what you would intuitively call close pack ice versus open pack ice when looking from a ship’s bridge. • Arrange the options from "least ice" to "most ice" and decide where the transition from mostly open water to mostly ice might be.

✅ Before You Answer

• Verify which range would still allow large areas of open water between ice floes. • Check that close pack ice would logically have a higher concentration than open pack ice. • Confirm that very open pack (if it existed as a term) would imply even less ice than open pack.

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Question 1 of 20

Ice concentration is measured in tenths. What concentration range of ice corresponds to "Open Pack"?

< 1 tenth

1 - 3 tenths

4 - 6 tenths

7 - 8 tenths

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